CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 81573 | prEN ISO 5667-1 | Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO/DIS 5667-1:2025) | Aptauja slēgta |
| 81574 | prEN ISO 5667-3 rev | Water quality — Sampling — Part 3: Preservation and handling of water samples | Izstrādē |
| 81606 | prEN ISO 7014 | Water quality — Detection and quantification of SARS-CoV-2 in wastewater using real-time RT-PCR | Izstrādē |
| 81885 | EN ISO 23695:2025 | Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023) | Standarts spēkā |
| 81885 | LVS EN ISO 23695:2025 | Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023) | Standarts spēkā |
| 81886 | EN ISO 23696-1:2025 | Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023) | Standarts spēkā |
| 81886 | LVS EN ISO 23696-1:2025 | Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023) | Standarts spēkā |
| 81887 | EN ISO 23696-2:2025 | Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023) | Standarts spēkā |
| 81887 | LVS EN ISO 23696-2:2025 | Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023) | Standarts spēkā |
| 81888 | EN ISO 23697-1:2025 | Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023) | Standarts spēkā |
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